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package objects
import (
"github.com/d5/tengo/compiler/token"
)
// Bool represents a boolean value.
type Bool struct {
// this is intentionally non-public to force using objects.TrueValue and FalseValue always
value bool
}
func (o *Bool) String() string {
if o.value {
return "true"
}
return "false"
}
// TypeName returns the name of the type.
func (o *Bool) TypeName() string {
return "bool"
}
// BinaryOp returns another object that is the result of
// a given binary operator and a right-hand side object.
func (o *Bool) BinaryOp(op token.Token, rhs Object) (Object, error) {
return nil, ErrInvalidOperator
}
// Copy returns a copy of the type.
func (o *Bool) Copy() Object {
return o
}
// IsFalsy returns true if the value of the type is falsy.
func (o *Bool) IsFalsy() bool {
return !o.value
}
// Equals returns true if the value of the type
// is equal to the value of another object.
func (o *Bool) Equals(x Object) bool {
return o == x
}
// GobDecode decodes bool value from input bytes.
func (o *Bool) GobDecode(b []byte) (err error) {
o.value = b[0] == 1
return
}
// GobEncode encodes bool values into bytes.
func (o *Bool) GobEncode() (b []byte, err error) {
if o.value {
b = []byte{1}
} else {
b = []byte{0}
}
return
}
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